How do you report tax fraud to the IRS?

Question

What is the proper way to report tax fraud to the IRS? I’d like to understand which official IRS process or form taxpayers should use when they have information about suspected tax fraud.

Richer · Answer

You can notify the IRS about any suspicions about tax fraud using Form 3949-A or the online fraud notification facility provided by the IRS. You should provide reliable information along with appropriate documentation where possible.

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